On 12/15/19 6:19 PM, Viktor Dukhovni wrote: I do not find that this is true in general, and IMO it is not a valid working assumption. There's a tremendous amount of Bad Conventional Practice out there, especially in both email handling and security, that has come to be accepted as if it were wisdom.Yes, there is much cargo-culting of questionable practice. But there are also in some cases specifications that (no longer) match operational realities. Yes this does happen. Though I doubt this is the case for IP
address literals in EHLO. Keith
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